123052005042 has 32 divisors (see below), whose sum is σ = 266058398400. Its totient is φ = 37808296128.

The previous prime is 123052005031. The next prime is 123052005047. The reversal of 123052005042 is 240500250321.

It is not an unprimeable number, because it can be changed into a prime (123052005047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14582317 + ... + 14590752.

It is an arithmetic number, because the mean of its divisors is an integer number (8314324950).

Almost surely, 2^123052005042 is an apocalyptic number.

123052005042 is an abundant number, since it is smaller than the sum of its proper divisors (143006393358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123052005042 is a wasteful number, since it uses less digits than its factorization.

123052005042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29173130.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 123052005042 its reverse (240500250321), we get a palindrome (363552255363).

The spelling of 123052005042 in words is "one hundred twenty-three billion, fifty-two million, five thousand, forty-two".